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2201021020210 = 251972715934417
BaseRepresentation
bin100000000001110111000…
…100110111100000110010
321210102012221100201212211
4200001313010313200302
5242030142340121320
64403045103042334
7315006231661255
oct40016704674062
97712187321784
102201021020210
117794a1a92641
122b66a55a03aa
1312c72b2702cc
147875c3d109c
153c3c0dd655a
hex20077137832

2201021020210 has 32 divisors (see below), whose sum is σ = 4176092269440. Its totient is φ = 832923793152.

The previous prime is 2201021020199. The next prime is 2201021020217. The reversal of 2201021020210 is 120201201022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2201021020217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7829079 + ... + 8105338.

It is an arithmetic number, because the mean of its divisors is an integer number (130502883420).

Almost surely, 22201021020210 is an apocalyptic number.

2201021020210 is a deficient number, since it is larger than the sum of its proper divisors (1975071249230).

2201021020210 is a wasteful number, since it uses less digits than its factorization.

2201021020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935170.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2201021020210 its reverse (120201201022), we get a palindrome (2321222221232).

The spelling of 2201021020210 in words is "two trillion, two hundred one billion, twenty-one million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 727 1454 3635 7270 13813 27626 69065 138130 15934417 31868834 79672085 159344170 302753923 605507846 1513769615 3027539230 11584321159 23168642318 57921605795 115843211590 220102102021 440204204042 1100510510105 2201021020210